-1/4 a^{c0,a0}_{c4,a2} b^{c1,a1}_{v0,v1} c^{c4,a3}_{c2,c3} gamma1^{a2}_{a3} a+(c2) a+(c3) a+(v0) a+(v1) a-(a1) a-(a0) a-(c1) a-(c0)
+1/4 a^{c0,a0}_{c4,a2} b^{c1,a3}_{v0,v1} c^{c4,a1}_{c2,c3} gamma1^{a2}_{a3} a+(c2) a+(c3) a+(v0) a+(v1) a-(a1) a-(a0) a-(c1) a-(c0)
+1/4 a^{c0,a0}_{c4,a2} b^{c4,a1}_{v0,v1} c^{c3,a3}_{c1,c2} gamma1^{a2}_{a3} a+(c1) a+(c2) a+(v0) a+(v1) a-(a1) a-(a0) a-(c3) a-(c0)
-1/4 a^{c0,a0}_{c4,a2} b^{c4,a3}_{v0,v1} c^{c3,a1}_{c1,c2} gamma1^{a2}_{a3} a+(c1) a+(c2) a+(v0) a+(v1) a-(a1) a-(a0) a-(c3) a-(c0)